What are the causes of the Spanish-American war?
It was caused by the following: 1) Spanish-American War - 1898: Arising from the Cuban War for Independence, Spain was defeated by the United States Navy in the Battle of Manila Bay. The Treaty of Paris that ended the war resulted in the transfer of Puerto Rico to the United States, as well as control of Guam, Cuba, and the Philippines. 2) Philippine-American War - 1899-1902: The Philippine-American War was a conflict between the United States and the Philippine Revolutionaries, ending with the defeat of American forces.